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Formatting consistency

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Ben Meadors 2023-01-05 12:57:45 -06:00 committed by GitHub
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docs/configuration/module-config/serial.mdx
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@ -179,7 +179,7 @@ Default is to use RX GPIO 16 and TX GPIO 17.
7. Send a packet up to 237 bytes in length. This will get relayed over the mesh network.
8. (Optional) Set `serial.echo` to `1` and any message you send out will be echoed back to your device.
### T-Beam – Interfacing PIR Sensor With External Microcontroller:
### Interfacing PIR Sensor With External Microcontroller
The following is an example of using a Raspberry Pi Pico connected to a PIR sensor to detect motion. When motion is detected, a message is sent via. serial to the T-Beam. The T-Beam transmits the message as text over the default channel by utilizing the serial module in TXTMSG mode.
#### BOM